Hot bands in the region of thev5band of HCCI: the Fermi resonancev3= 1/v5= 2

Autor:	Veli-Matti Horneman, S. Alanko, R. Paso, B. Nelander, A.-M. Tolonen
Rok vydání:	1994
Předmět:	Physics Infrared Overtone Resolution (electron density) Biophysics Resonance Condensed Matter Physics symbols.namesake Crystallography Fourier transform symbols Fermi resonance Physical and Theoretical Chemistry Atomic physics Molecular Biology
Zdroj:	Molecular Physics. 83:1233-1242
ISSN:	1362-3028 0026-8976
DOI:	10.1080/00268979400101901
Popis:	The Fourier transform infrared spectrum of monoiodoacetylene, HCCI, between 180 cm-1 and 320 cm-1 has been studied at a resolution of 0·0010 cm-1. The hot bands, v 3 ← v 1 5, 2v 0 5 ← v 1 5 and 2v 2 5 ← v 1 5, associated with the v 5 fundamental have been analysed by considering especially the Fermi resonance between the levels v 3 = 1 and v 5 = 2. The next layer of the hot bands, (v 3 + v 5)1 ← v 3, (v 3 + v 5)1 ← 2v 0, 2 5, and 3v 1, 3 5 ← 2v 0, 2 5, has been analysed by taking into account the Fermi resonance between the levels v 3 = v 5 = 1 and v 5 = 3. Also the various l responances at the overtone levels have been considered. As a result, the vibrational and rotational constants and the resonance parameters for the vibrational levels investigated have been obtained.
Databáze:	OpenAIRE
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